Before the Second Doctor's regeneration and exile to Earth, the Time Lords sent him to investigate the activities of the Players in the Napoleonic era, during which time he briefly met with Napoleon, posing as a mystic who had foreseen Napoleon's final victory. Despite the Players' efforts, the Doctor sabotaged an attempt to build an early submarine that would have given Napoleon a crucial advantage in the Battle of Trafalgar. During the Battle of Waterloo, the Doctor played a vital role in delivering messages to Nelson's allies by dressing up as Napoleon; although the two men were only superficially similar to each other, the similarity would be enough for the Doctor to fool the average Frenchman who only saw the Emperor at a distance rather than regularly interacting with him. (PROSE: World Game)

Davros met with Napoleon when he was intending to test his new mind-swap technology, regarding Napoleon as the best military tactician of Earth's history as all other military leaders were tainted by racial prejudice or superstition. However, despite Davros providing Napoleon with Dalek weapons and knowledge of the future, he accepted his defeat when the Sixth Doctor revealed Davros' plans to replace Napoleon's mind with that of a Dalek, Napoleon, preferring to lose now and leave humanity to fulfil its own destiny rather than allow humanity to fall under Dalek rule. (AUDIO: The Curse of Davros)

In the TARDIS wardrobe, the Seventh Doctor tried the most known Napoleon outfit soon after his regeneration, even if it was not explicitly referring to the character.

According to The Brilliant Book 2012, a book that contains non-narrative based information, in an alternate universe where all of history occurred at once, Napoleon was available on social-networking sites, where he was friends with Cleopatra and sent her an asp.